Annotations: 3T8I

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Nucleoside hydrolase	8083609	4000751	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleoside hydrolase	8083610	3001240	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Nucleoside hydrolase	8083610	3001240	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nucleoside hydrolase	8083610	3001240	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Nucleoside hydrolase	8083610	3001240	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF01156	e3t8iA1	A: a/b three-layered sandwiches	X: Nucleoside hydrolase (From Topology)	H: Nucleoside hydrolase (From Topology)	T: Nucleoside hydrolase	F: PF01156	ECOD (1.6)
B	PF01156	e3t8iB1	A: a/b three-layered sandwiches	X: Nucleoside hydrolase (From Topology)	H: Nucleoside hydrolase (From Topology)	T: Nucleoside hydrolase	F: PF01156	ECOD (1.6)
C	PF01156	e3t8iC1	A: a/b three-layered sandwiches	X: Nucleoside hydrolase (From Topology)	H: Nucleoside hydrolase (From Topology)	T: Nucleoside hydrolase	F: PF01156	ECOD (1.6)
D	PF01156	e3t8iD1	A: a/b three-layered sandwiches	X: Nucleoside hydrolase (From Topology)	H: Nucleoside hydrolase (From Topology)	T: Nucleoside hydrolase	F: PF01156	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.245.10	Alpha Beta	Alpha-Beta Complex	Inosine-uridine Nucleoside N-ribohydrolase	Chain A	CATH (4.3.0)
B	3.90.245.10	Alpha Beta	Alpha-Beta Complex	Inosine-uridine Nucleoside N-ribohydrolase	Chain A	CATH (4.3.0)
C	3.90.245.10	Alpha Beta	Alpha-Beta Complex	Inosine-uridine Nucleoside N-ribohydrolase	Chain A	CATH (4.3.0)
D	3.90.245.10	Alpha Beta	Alpha-Beta Complex	Inosine-uridine Nucleoside N-ribohydrolase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01156	Inosine-uridine preferring nucleoside hydrolase (IU_nuc_hydro)	Inosine-uridine preferring nucleoside hydrolase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Purine nucleosidase, (IunH-2)	hydrolase activity, acting on glycosyl bonds purine nucleosidase activity hydrolase activity hydrolase activity, hydrolyzing N-glycosyl compounds catalytic activity cation binding ion binding binding metal ion binding small molecule binding	glycosyl compound metabolic process catabolic process purine nucleoside catabolic process carbohydrate derivative metabolic process nucleobase-containing compound metabolic process organic substance metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process organonitrogen compound catabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process primary metabolic process glycosyl compound catabolic process purine-containing compound catabolic process glycosyl compound metabolic process catabolic process purine nucleoside catabolic process carbohydrate derivative metabolic process nucleobase-containing compound metabolic process organic substance metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process organonitrogen compound catabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process primary metabolic process glycosyl compound catabolic process purine-containing compound catabolic process nucleoside metabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process purine-containing compound metabolic process organic cyclic compound metabolic process nucleobase-containing small molecule catabolic process nucleoside catabolic process metabolic process small molecule catabolic process organic substance catabolic process purine nucleoside metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036452	Ribonucleoside hydrolase-like	Homologous Superfamily
A, B, C, D	IPR015910	Inosine/uridine-preferring nucleoside hydrolase, conserved site	Conserved Site
A, B, C, D	IPR001910	Inosine/uridine-preferring nucleoside hydrolase domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.